EP2650733A3 - Sheet conveying device, sheet feed device and image forming apparatus having the same - Google Patents

Sheet conveying device, sheet feed device and image forming apparatus having the same Download PDF

Info

Publication number
EP2650733A3
EP2650733A3 EP13163226.7A EP13163226A EP2650733A3 EP 2650733 A3 EP2650733 A3 EP 2650733A3 EP 13163226 A EP13163226 A EP 13163226A EP 2650733 A3 EP2650733 A3 EP 2650733A3
Authority
EP
European Patent Office
Prior art keywords
gear
feed
sheet
roller
image forming
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13163226.7A
Other languages
German (de)
French (fr)
Other versions
EP2650733B1 (en
EP2650733A2 (en
Inventor
Masahiko Mizuno
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyocera Document Solutions Inc
Original Assignee
Kyocera Document Solutions Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kyocera Document Solutions Inc filed Critical Kyocera Document Solutions Inc
Publication of EP2650733A2 publication Critical patent/EP2650733A2/en
Publication of EP2650733A3 publication Critical patent/EP2650733A3/en
Application granted granted Critical
Publication of EP2650733B1 publication Critical patent/EP2650733B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/65—Apparatus which relate to the handling of copy material
    • G03G15/6502—Supplying of sheet copy material; Cassettes therefor
    • G03G15/6511—Feeding devices for picking up or separation of copy sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/06—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/1642—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements for connecting the different parts of the apparatus
    • G03G21/1647—Mechanical connection means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)

Abstract

A sheet sender 21A includes a lift plate 21P, a feed roller 21B and a registration roller 23. A biasing spring 21S applies an upward force onto the lift plate 21P. The lift plate 21P is moved upward by eccentric cams 60 which are arranged at axial ends of the feed roller 21B and rotationally driven by arm protrusions 211 which have come in contact with the eccentric cams 60. A rotational driving force is transmitted to a feed gear 220 and a registration gear 231 from a main gear 70 to rotate the feed roller 21B and the registration roller 23. A gear of the main gear 70 that engages with the feed gear 220 is idly rotatable within a predetermined angle with respect to a gear that engages with the registration roller 23.
EP13163226.7A 2012-04-13 2013-04-10 Sheet conveying device, sheet feed device and image forming apparatus having the same Active EP2650733B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012091999A JP5619064B2 (en) 2012-04-13 2012-04-13 Sheet conveying apparatus, sheet feeding apparatus including the same, and image forming apparatus

Publications (3)

Publication Number Publication Date
EP2650733A2 EP2650733A2 (en) 2013-10-16
EP2650733A3 true EP2650733A3 (en) 2016-12-07
EP2650733B1 EP2650733B1 (en) 2018-08-01

Family

ID=48049895

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13163226.7A Active EP2650733B1 (en) 2012-04-13 2013-04-10 Sheet conveying device, sheet feed device and image forming apparatus having the same

Country Status (4)

Country Link
US (1) US8733754B2 (en)
EP (1) EP2650733B1 (en)
JP (1) JP5619064B2 (en)
CN (1) CN103373615B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5520978B2 (en) * 2012-01-27 2014-06-11 京セラドキュメントソリューションズ株式会社 Drive device
JP6362078B2 (en) * 2014-04-02 2018-07-25 キヤノン株式会社 DRIVE TRANSMISSION DEVICE, SHEET CONVEYING DEVICE HAVING THE SAME, AND IMAGE FORMING DEVICE
JP5993892B2 (en) * 2014-04-18 2016-09-14 京セラドキュメントソリューションズ株式会社 Image forming apparatus
JP5939717B2 (en) * 2014-05-19 2016-06-22 京セラドキュメントソリューションズ株式会社 Sheet conveying apparatus and image forming apparatus having the same
WO2015182263A1 (en) * 2014-05-27 2015-12-03 京セラドキュメントソリューションズ株式会社 Sheet feeding device, automatic document feeder, image formation device, and sheet feeding method
KR101973312B1 (en) * 2015-03-27 2019-04-26 캐논 가부시끼가이샤 The image forming apparatus
CN107608186A (en) * 2017-10-23 2018-01-19 贵州云侠科技有限公司 Color laser printer with paper jamming prevention function
JP7339146B2 (en) * 2019-12-13 2023-09-05 東芝テック株式会社 image forming device
US20220299926A1 (en) * 2021-03-18 2022-09-22 Toshiba Tec Kabushiki Kaisha Image forming apparatus
JP2022164342A (en) * 2021-04-16 2022-10-27 東芝テック株式会社 Sheet conveyance device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001122453A (en) * 1999-10-22 2001-05-08 Canon Inc Drive transmission device, sheet feeding device, image forming device and reading device having same
US20050189698A1 (en) * 2003-11-26 2005-09-01 Fuji Xerox Co., Ltd. Sheet stuff supplying/feeding device
US20110164911A1 (en) * 2010-01-06 2011-07-07 Ricoh Company, Ltd. Paper feed device and image formation apparatus using the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3297551B2 (en) * 1994-12-20 2002-07-02 キヤノン株式会社 Sheet material feeding device and recording device
JP3415600B2 (en) * 2000-04-28 2003-06-09 京セラミタ株式会社 Automatic sheet feeder
KR100385052B1 (en) * 2001-01-29 2003-05-23 삼성전자주식회사 Sheet conveying appratus for a image information processor
JP2002332125A (en) * 2001-05-10 2002-11-22 Canon Inc Sheet material feeding device and recording device
JP2003201045A (en) * 2002-01-10 2003-07-15 Oki Data Corp Paper feeder
JP2007131355A (en) * 2005-11-07 2007-05-31 Canon Finetech Inc Sheet feeder
TWI371372B (en) * 2010-02-12 2012-09-01 Primax Electronics Ltd Clutch transmission mechanism of print device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001122453A (en) * 1999-10-22 2001-05-08 Canon Inc Drive transmission device, sheet feeding device, image forming device and reading device having same
US20050189698A1 (en) * 2003-11-26 2005-09-01 Fuji Xerox Co., Ltd. Sheet stuff supplying/feeding device
US20110164911A1 (en) * 2010-01-06 2011-07-07 Ricoh Company, Ltd. Paper feed device and image formation apparatus using the same

Also Published As

Publication number Publication date
US20130270764A1 (en) 2013-10-17
EP2650733B1 (en) 2018-08-01
US8733754B2 (en) 2014-05-27
JP5619064B2 (en) 2014-11-05
JP2013220867A (en) 2013-10-28
CN103373615A (en) 2013-10-30
CN103373615B (en) 2016-02-24
EP2650733A2 (en) 2013-10-16

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